高考考查重点：
1. when, while, as引导时间状语从句的区 别；
2. 名词词组the minute, the moment, the first time, each time, any time等用作连词，引导的时间状语从句；
3. before,和since引导时间状语从句的用法；
4. although, though, as以及even if, even though引导让步状语从句的用法；
5. 结果状语从句中“so…that”与“such… that” 的区别；
6. 条件状语从句unless, providing/provided, suppose/supposing等引导词的用法；
7. “疑问词+ever”和“no matter+疑问词”引导从句的用法；
8. in case引导的状语从句；
9. where引导的状语从句；
10. once引导的状语从句。30. One's life has value one brings value to the life of others. 【答案】C
A. so that B. no matter how
C. as long as D. except that
【解析】as long as意为“只要”；so that意为“以便；因此”；no matter how意为“不管怎样”；except that意为“除了”。句意为：只要一个人给别人的生活带来价值，那么他的生命就有价值。，根据题意，应选C项。
【2017湖南32. ____ hard you try, it is difficult to lose weight without cutting down the amount you eat. 【答案】A。
A. However B. Whatever C. Whichever D. Whenever
【解析】句意为：不管你如何（however）努力，如果你不减少食量是很难减肥的。复合句 让步状语从句 引导词however
2017湖南28. ____ I always felt I would pass the exam, I never thought I would get an A. While B. Once
C. If D. Until
【解析】句意为：虽然我总觉得我考试能过关，但我从没想过我能得优。While常见含义有“虽然；然而，而；在……期间，当……时；趁着”等，此处为“虽然”之意。复合句 让步状语从句 引导词while A
【2017重庆卷】30.—Coach, can I continue with the training?
—Sorry, you can’t ______you haven’t recovered from the knee injury.
A. until
B. before
C. to consider
D. unless
【解析】短语语境表示“抱歉，你不能继续训练因为你膝盖受的伤还没有恢复。”由此可知，空白处后面为原因状语从句，C选项符合题意。因此，正确答案为C选项。【答案】 C
【2017山东卷】32. A number of high buildings have arisen _______ there was nothing a year ago but ruins. A. when
B. where C. before
D. until
【解析where引导地点状语从句，表示“在……地方”。 句意：很多高楼在一年前还是废墟的地方矗立起来了。【答案解析as引导这个时间状语从句，这里smile和apologize同时进行，as意为：当…的时候。句意：当玛丽为她喝醉了朋友道歉时，他礼貌地微笑着。【答案
【2017福建卷】30. It is hard for the Greek government to get over the present difficulties_________ gets more financial support from the European Union.
A. if B. unless C. because
D. since
【解析】根据句意可知“除非有来自欧洲联盟的更多的经济支持，否则希腊政府很难克服目前的困难”，只能选择unless“除非”才能使句意完整。考查状语从句的连词题事实上非常简单，只要找到句中的关键词，然后从句意上去排除就行了，本题关键词是hard和more financial support。【答案】B
【2017江西卷】31．You can borrow my car
you promise not to drive too fast. A．unless
B．even if C．in case D．as
long as
【解析句意为只要你保证不开得太快，你就可以把我的车借走。A.unless除非，B.even if即使，C.in case以防万一，D.as long as只要。选D。
【解析】A项意为“”；B项意为“”；C项意为“”；D项意为“”。
【2017四川卷】10. If you happen to get lost in the wild, you’d better stay ______ you are and wait for help.
A. why
B. where
C. who
D. what
【解析】where引导的地点状语表明主句动作发生的地点，即：你最好呆在你现在所在的地方。故选B。
【2017陕西卷】18. Hot _______the night air was, we slept deeply because we were so tired after the long journey.
A. although
B. as
C. while
D. however
【解析】此处hot是做从句的表语，提前说明从句时倒装，即as引导的让步状语从句中，要将从句中的表语，状语，或动词原形提到as之前，故选B。
【2017陕西卷】25. All the photographs in this book, _______ stated otherwise, date from the 1950s.A. unless
B. until
C. once
D. if
【解析】题干意思是：除过被标明的以外，书中其余所有的图片都可以追溯到20世纪50年代。所填词表条件，从句用了省略句，引导词意思是：除非，如果不。选A。
【2017北京卷】21. —Look at those clouds!
—Don’t worry. ______ it rains, we’ll still have a great time.
A. Even if
B.As though
C. In case
D. If only
【答案】 A
【2017全国II】11. I had hardly got to the office ______ my wife phoned me to go back home at once.A. when
B. than
C. until
D. after
【解析答案25. I don't believe we've met before,
I must say you do look familiar.
A. therefore
B. although
C. since
D. unless
【解析答案 语法讲解
状语从句指句子用作状语时，起副词作用的句子。它可以修饰谓语、非谓语动词、定语、状语或整个句子。根据其作用可分为时间、地点、原因、条件、目的、结果、让步、方式和比较等从句。状语从句一般由连词(从属连词)引导，也可以由词组引起。从句位于句首或句中时通常用逗号与主句隔开，位于句尾时可以不用逗号隔开。
时间状语从句
When we lived in town we often went to the theatre.
After she got married, she changed completely.
We must strike while the iron is hot.
It was a long time before I got to sleep again.
As the sun rose the fog dispersed.
Tell him as soon as he arrives.
I haven’t heard from him since he left.
Whenever she had a cold, she ate only fruit.
You can keep the records as long as you like.
Once you have learned Spanish, you will find Italian easy.
也有些特殊时间状语从句：
Now that we have decorated the house, we can move in.
Every time/Each time I listen to music I’ll think of it.
I came immediately you called.
The moment I saw him I knew that there was no hope.
I had no sooner checked into the hotel than he arrived.
Hardly had he arrived when she started complaining.
The machine will start instantly you press the button.
Directly he uttered these words, there was a dead silence.
有时从句中可省略一些词：
Often she would weep when (she was) alone.
He retained the consciousness of it while (he was) asleep.
Even as a boy he was hopeless at maths.
A friend is never known till needed.
Whenever possible, they should be typed.
Once over the pass you will see the town before you.
注：在before, after, since之后可用名词或动名词，这时它们是介词。
地点状语从句
地点状语从句主要由 where, wherever, anywhere, everywhere 等引起：
The church was built where there had once been a Roman temple.
You can camp wherever you like these days.
I’ll take you anywhere you like.
Everywhere I go, I find the same thing.
注：where可以有多种意义，除指地点外，还可指处境等，有许多灵活译法。
He said he was happy where he was.
他说他现在处境很愉快。
Where the money is, there is power.
有钱就有势。
It is your fault that she is where she is.
她今天落到这个地步都怪你。
The thread breaks where it is weakest.
线从最弱的地方断。
方式状语从句
方式状语从句由as, like, as if/though引起。
I am as you can imagine short of money.
She can’t cook like her mother does.
I remember the whole thing as if/though it happened yesterday.
just as, much as也可引起这种状语从句：
Its swims above the sea floor just as its parents did.
They tried to cover the fact much as they did last year.
注：(1) 这类从句也有词省略：
As expected, the movement rapidly spread.
She waited as though for a reply.
He glanced about as if in search of something.
(2) 这种状语从句有时也可不用连词引起：
I can’t help seeing things the way they do.
She is behaving (in) the same way her elder sister used to.
The steak is cooked just how I like it.
原因状语从句
He was angry because we were late.
As the soup was very salty, we were thirsty afterwards.
Since you are going, I will go.
in case, just in case也可引起原因状语从句:
He took a spoonful and tasted it in case it was hot.
She ought to come down just in case anything happened.
注：(1)还有一些原因从句不带连词：
Seeing that it is ten o’clock, we shall not wait for her any longer.
Considering he’s only been learning English a year, he speaks it very well.
(2) 某些 “be+adj.”结构后的从句也表原因:
I’m glad (that) you’re been assigned a new job.
I’m sorry I haven’t done very well.
I’m disappointed that you cannot come.
He was ashamed that he had done such a thing.
条件状语从句
If you do that I shall be very pleased.
Nobody will get anything unless they ask for it.
if 常可引起虚拟条件句：
If I could afford it, I would buy a car.
If anybody had asked me, I could have told them what happened.
if 或unless 后的从句都可有词省略：
If necessary, ring me at home.
He would never do this unless compelled.
注：(1) 条件状语从句可由其他连词引起：
Supposing he can’t come, who will do the work?
She will go provided her friends can go also.
As long as you are happy, it doesn’t matter what you do.
Whether I agreed or not, the search would take place.
Granted that this is true, what conclusion can you draw?
(2) 有时某些条件从句的连词if可以不用，而把语序加以倒装:
Were it all true (= If it were all true) , he would still not excuse their action.
Had they acted sooner, all this wouldn’t have happened.
Had he been here, he could have met my sister.
Should I be free tomorrow, I will come.
让步状语从句
主要由although, though, even though/if, while, whereas等词引起，表示“虽然”，“尽管”。
Although he had no qualifications he got the job.
Though he does it slowly, he does it very well.
They’ll stand by you even if you don’t succeed.
While I did well in class, I was bad at games.
Some praise him, whereas others condemn him.
还有一些其他的让步状语从句：
Much as l like Venice, I couldn’t live there.
However far it is, I intend to drive there today.
I will find her wherever she may be.
Whatever you may think, I’m going ahead with my plans.
No matter what happened, he would not say a word.
目的状语从句
主要由that, so that, in order that, lest, for fear that, in case等引起。
Let’s take the front seats that we may see more clearly.
I have given him a key so that he can get into the house whenever he likes.
They risk their lives in order that we may live more safely.
He didn’t dare to leave the house lest someone should recognize him.
I don’t let him go out in this weather in case he should catch cold.
I bought the car at once for fear (that) he might change his mind.
有时也可用so或 so…that引起：
Can’t you fix it somehow so you could stay?
We have so arranged matters that one of us is always on duty.
结果状语从句
主要由so that, so…that, such…that等引起。口语中that可省。
We arrived early, so (that) we got good seats.
It was so dark that he couldn’t see the faces of his companies.
There was such a lot of rain (that) we couldn’t go out.
So bright was the moon that the flowers were bright as by day.
(倒装)
有时可以otherwise, or else, else 引起从句，表示 “否则(会有什么后果)”：
She had intellect, otherwise she couldn’t have escaped these bad guys.
Hurry up or else you’ll be late.
Drink this; else you will be sick.
比较状语从句
主要由than和as引起：
You sing better than I do.
It is easier than I thought.
You know as much about that as I do.
在很多情况下，从句中有些词可省略：
He has more time than me (I have).
He doesn’t work as hard as her (she does).
She was as interested in music as ever.
巩固练习
1. Tim is in good shape physically _____ he doesn’t get much exercise.
(2010湖南)
if
B. even though
C. unless
D. as long as
2. The school rules state that no child shall be allowed out of the school during the day, ______ accompanied by an adult.
(2010山东)
A. once
B. when
C. if
D. unless
3. ______ you may have, you should gather your courage to face the challenge.
(2010上海) A. However a serious problem
B. What a serious problem
C. However serious a problem
D. What serious a problem
4. A small car is big enough for a family of three ______ you need more space for
baggage. (2010全国)
once
B. because
C. if
D. unless
5. John thinks it won’t be long ____ he is ready for his new job.
(2010陕西)
when
B. after
C. before
D. Since
6. Today, we will begin _______we stopped yesterday so that no point will be left out.
(2010重庆)
when
B. where
C. how
D. what
7. She had just finished her homework ____ her mother asked her to practice playing the piano yesterday.
(2009福建)
when
B. while
C. after
D. since
8. My parents don’t mind what job I do ____ I am happy.
(2009陕西)
even though
B. as soon as
C. as long as
D. as though
9. You can’t borrow books from the school library ______ you get your student card.
(2009上海)
before
B. if
C. while
D. as
10. All the dishes in this menu, ________ otherwise stated, will serve two to three people.
(2009全国)
as
B. if
C. though
D. unless
11. _____ unemployment and crime are high, it can be assumed that the latter is due to the former.
(2009江苏)
Before
B. Where C. Unless
D. Until
12. The little girl who got lost decided to remain _____ she was and wait for her mother.
(2009山东)
where
B. what
C. how
D. who
13. Peter was so excited _____ he received an invitation from his friend to visit Chongqing.
(2009重庆)
where
B. that
C. why
D. when
14. _____ the police thought he was the most likely one, since they had no exact proof about it, they could not arrest him.
(2009湖南)
Although
B. As long as C. If only
D. As soon as
15. Owen wouldn’t eat anything ______ he cooked it himself.
(2009四川)
A. until B. since C. unless D. while
16. The medicine works more effectively _____ you drink some hot water after taking it. (2009浙江)as B. until C. although D. if
17. 1. If a lot of people say a film is not good, I won’t bother to see it, or I’ll wait ____ it comes out on DVD.
(2011上海)
whether
B. after
C. though
D. until
18.. Please call my secretary to arrange a meeting this afternoon, or ______ it is convenient to you.
(2011江西)
whenever
B. however
C. whichever
D. wherever
19. Frank insisted that he was not asleep
_____ I had great difficulty in waking
him up.
(2011江西)whether
B.
although
C.
for
D. so
20. He had his camera ready _____ he saw something that would make a good
picture. (2011山东)
even if
B. if only
C. in case
D. so that
翻译
You’d better take a pen when you go to the meeting ___________________
. (以免有什么重要内容需要记下)
2. — Could I take a few days’ leave, sir?
— I’m afraid you can’t _______________________. (除非你做完工作)
3. (尽管有许多种不同种类的食物) __________________________________, some animals spend their lives eating only one type.
4. Lisa and Mary will go to Phoenix for a visit on behalf of all middle school students of New York, so ________________________.
(我们过很长时间之后才能再见到她们)
5. ________________________________________ (尽管他是我最不想见到的人), I did all I could to help him.
6. I’d like to arrive 20 minutes early __________________________________. (这样我便有时间喝杯茶)
7. No matter how many adults use the language, _________________________,
(如果它不能传给下一代) it cannot survive.
8. If you want to do the experiment again, __________________________. (最好在你犯错误的地方多小心一点)
9. ________________________________, (尽管我们承认这个考试依然有问题) we don’t mean that it is of no use.
10. Some students don’t know this language point _________________.
(就好像我没有讲过一样)